Chloromethyldiisopropoxysilane is primarily used as a coupling agent in the production of advanced materials, particularly in the synthesis of organosilicon compounds. It plays a crucial role in surface modification, enhancing the adhesion between organic polymers and inorganic substrates. This chemical is widely applied in the manufacturing of coatings, sealants, and adhesives, where it improves durability and resistance to environmental factors. Additionally, it is utilized in the preparation of functionalized silica nanoparticles, which are essential in catalysis, drug delivery systems, and nanocomposites. Its ability to form stable bonds with various materials makes it valuable in the development of high-performance industrial and electronic products.